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Design of a Modular 5-KW Power Processing Unit for the Next-Generation 40-CM Ion Engine
| AUTHOR | Nasa, National Aeronautics and Space Adm |
| PUBLISHER | Independently Published (09/27/2018) |
| PRODUCT TYPE | Paperback (Paperback) |
Description
NASA Glenn Research Center is developing a 5/10-kW ion engine for a broad range of mission applications. Simultaneously, a 5-kW breadboard poster processing unit is being designed and fabricated. The design includes a beam supply consisting of four 1.1 kW power modules connected in parallel, equally sharing the output current. A novel phase-shifted/pulse-width-modulated dual full-bridge topology was chosen for its soft-switching characteristics. The proposed modular approach allows scalability to higher powers as well as the possibility of implementing an N+1 redundant beam supply. Efficiencies in excess of 96% were measured during testing of a breadboard beam power module. A specific mass of 3.0 kg/kW is expected for a flight PRO. This represents a 50% reduction from the state of the art NSTAR power processor. Pinero, Luis R. and Bond, Thomas and Okada, Don and Pyter, Janusz and Wiseman, Steve Glenn Research Center; Jet Propulsion Laboratory; Marshall Space Flight Center NASA/TM-2002-211359, E-13179, NAS 1.15:211359...
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Product Format
Product Details
ISBN-13:
9781724079169
ISBN-10:
1724079166
Binding:
Paperback or Softback (Trade Paperback (Us))
Content Language:
English
More Product Details
Page Count:
32
Carton Quantity:
128
Product Dimensions:
8.50 x 0.07 x 11.02 inches
Weight:
0.22 pound(s)
Country of Origin:
US
Subject Information
BISAC Categories
Science | Space Science - General
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NASA Glenn Research Center is developing a 5/10-kW ion engine for a broad range of mission applications. Simultaneously, a 5-kW breadboard poster processing unit is being designed and fabricated. The design includes a beam supply consisting of four 1.1 kW power modules connected in parallel, equally sharing the output current. A novel phase-shifted/pulse-width-modulated dual full-bridge topology was chosen for its soft-switching characteristics. The proposed modular approach allows scalability to higher powers as well as the possibility of implementing an N+1 redundant beam supply. Efficiencies in excess of 96% were measured during testing of a breadboard beam power module. A specific mass of 3.0 kg/kW is expected for a flight PRO. This represents a 50% reduction from the state of the art NSTAR power processor. Pinero, Luis R. and Bond, Thomas and Okada, Don and Pyter, Janusz and Wiseman, Steve Glenn Research Center; Jet Propulsion Laboratory; Marshall Space Flight Center NASA/TM-2002-211359, E-13179, NAS 1.15:211359...
Show More